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TI-2024-21619 Aliases CVE-2024-32740GHSA-9j9j-j88x-9vc6

Hard-coded credentials in Siemens SIMATIC CN 4100

Priority MEDIUM 49CWE-798Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-798.

Summary

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0). The affected device contains undocumented users and credentials. An attacker could misuse the credentials to compromise the device locally or over the network.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00703 53rd percentileScored 2026-11-07
Fix Fixed SIMATIC CN 4100 (Siemens): V3.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensSIMATIC CN 4100before V3.0V3.0Patch availableCNA
  • SIMATIC CN 4100 VendorSiemens Affected before V3.0 Fixed in V3.0 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:siemens:simatic_cn_4100_firmware:*:*:*:*:*:*:*:*before 3.0VulnerableSiemens
cpe:2.3:h:siemens:simatic_cn_4100:-:*:*:*:*:*:*:*not specified by NVDRunning onSiemens
  • cpe:2.3:o:siemens:simatic_cn_4100_firmware:*:*:*:*:*:*:*:* Versions before 3.0 Vulnerable ·Siemens
  • cpe:2.3:h:siemens:simatic_cn_4100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens

Remediation

  • Fix · CNA SIMATIC CN 4100 (Siemens) Fixed in V3.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Siemens SIMATIC CN 4100 V3.0

    3 records Highest priority Priority MEDIUM 2 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2024-21620 A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0).Priority MEDIUM 50
    • TI-2024-21621 A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0).Priority LOW 35
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-32740
  2. 2026-10-03 Alias added: GHSA-9j9j-j88x-9vc6

References

Advisory 1

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-23989 crypto: algif_aead - Revert to operating out-of-place KEVCVSS 3.1HIGH 7.8
  • TI-2024-21620 A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0). CVSS 3.1CRITICAL 10.0
  • TI-2023-27102 A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). CVSS 3.1CRITICAL 9.8
  • TI-2026-18410 Resource allocation without limits in Siemens SIMATIC CN 4100 CVSS 4.0HIGH 8.7
  • TI-2026-18409 Missing authentication in Siemens SIMATIC CN 4100 CVSS 4.0HIGH 8.8
See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences